Acer 420 - Manual (Page 31)

Chapter 1 23
Hardware Specifications and Configurations
Processor
Item Specification
CPU type Intel Pentium 4
CPU package
/ PGA478 package
CPU core voltage Depend on CPU VID
CPU I/O voltage 1.2V
BIOS
Item Specification
BIOS vendor Phoenix
BIOS Version PhoenixBIOS 4.0 Release 6.0
BIOS ROM type Flash ROM
BIOS ROM size 512KB
BIOS package TSOP
Supported protocols ACPI 1.0b,PC Card 95, SM BIOS 2.3, EPP/IEEE 1284, ECP/IEEE 1284
1.7 & 1.9, PCI 2.2, PnP 1.0a, DMI 2.0, PS/2 keyboard and mouse, USB,
VGA BIOS, CD-ROM bootable,
BIOS password control Set by setup manual
Second Level Cache
Item Specification
Cache controller Built-in CPU
Cache size 512KB
1st level cache control Always enabled
2nd level cache control Always enabled
Cache scheme control Fixed in write-through
System Memory
Item Specification
Memory controller
Memory size 256/512MB
DIMM socket number 1 sockets (2 banks)
Supports memory size per socket 512MB
Supports maximum memory size 1G (by two 512MB SO-DIMM module)
Supports DIMM type DDR Synchronous DRAM
Supports DIMM Speed 133 MHz
Supports DIMM voltage 2.5V/1.25V
Supports DIMM package 200-pin soDIMM
Memory module combinations You can install memory modules in any combinations as long as they
match the above specifications.
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SG_TM420_Ch1.fm Page 23 Thursday, September 26, 2002 9:23 AM